/*{{{ display*/
void display(int x, int y, int my_width, int my_height, int image_width, int image_height)
{
int image_x=0,image_y=0;
m_func(BIT_CLR);
m_bitwrite(0,0,my_width,my_height);
m_func(BIT_SRC);
if (x<0) { image_width+=x; image_x-=x; x=0; }
if (y<0) { image_height+=y; image_y-=y; y=0; }
m_bitcopyto(x,y,image_width,image_height,image_x,image_y,WINDOW_BITMAP,IMAGE_BITMAP);
}
/*{{{ main*/
int main(int argc, char *argv[])
{
/*{{{ variables*/
enum { NOTHING, LOCAL, REMOTE } in=NOTHING;
int c;
int x,y;
int mouse_x,mouse_y;
int image_width,image_height;
int image_xoffset=0,image_yoffset=0;
int my_width,my_height;
int err=0,usage=0;
BITMAP *bp;
FILE *input;
static struct menu_entry menu[] = { { "quit","q" } };
char file[_POSIX_PATH_MAX];
/*}}} */
/*{{{ parse arguments*/
while ((c=getopt(argc,argv,"l:r:"))!=EOF)
{
switch (c)
{
/*{{{ l file*/
case 'l':
{
if ((input=fopen(optarg,"r"))==(FILE*)0)
{
fprintf(stderr,"%s: Can't open %s\r\n",argv[0],optarg);
err=1;
}
else in=LOCAL;
break;
}
/*}}} */
/*{{{ r file*/
case 'r':
{
char *cwd;
in=REMOTE;
if (*optarg!='/' && *optarg!='.')
{
if ((cwd=getcwd((char*)0,(size_t)0))!=(char*)0) { strcpy(file,cwd); strcat(file,"/"); strcat(file,optarg); }
else { fprintf(stderr,"%s: Can't get current directory\r\n",argv[0]); err=1; }
}
else strcpy(file,optarg);
break;
}
/*}}} */
/*{{{ default*/
default:
{
usage=1;
break;
}
/*}}} */
}
}
if (err) exit(err);
if (usage || optind!=argc)
{
fprintf(stderr,"Usage: mgrview [-l file | -r file]\n");
exit(1);
}
if (in==NOTHING) { in=LOCAL; input=stdin; }
/*}}} */
/*{{{ setup*/
ckmgrterm(argv[0]);
m_setup(M_MODEOK);
signal(SIGINT,clean);
signal(SIGTERM,clean);
signal(SIGPIPE,clean);
m_ttyset();
m_push(P_MENU|P_EVENT|P_FLAGS);
m_setmode(M_ABS);
m_setcursor(CS_INVIS);
menu_load(1,1,menu);
m_setevent(REDRAW, "R");
m_setevent(RESHAPE, "R");
m_setevent(BUTTON_1,"[%p]");
m_setevent(BUTTON_2,"m");
m_flush();
/*}}} */
if (in==LOCAL)
{
/*{{{ load bitmap to client space*/
if ((bp=bitmapread(input))==(BITMAP*)0)
{
fprintf(stderr,"%s: No MGR bitmap.\r\n",argv[0]);
clean(1);
}
image_width=BIT_WIDE(bp);
image_height=BIT_HIGH(bp);
/*}}} */
/*{{{ transfer bitmap to server space*/
m_func(BIT_SRC);
m_bitcreate(IMAGE_BITMAP,image_width,image_height);
m_bitldto(image_width,image_height,0,0,IMAGE_BITMAP,bit_size(image_width,image_height,BIT_DEPTH(bp)));
fwrite(BIT_DATA(bp),bit_size(image_width,image_height,BIT_DEPTH(bp)),1,m_termout);
m_flush();
bit_destroy(bp);
/*}}} */
}
else if (in==REMOTE)
{
/*{{{ transfer bitmap from server fs to server space*/
m_bitfromfile(IMAGE_BITMAP,file);
m_get();
if (sscanf(m_linebuf,"%d %d",&image_width,&image_height)<2)
{
fprintf(stderr,"%s: No MGR bitmap.\r\n",argv[0]);
clean(1);
}
/*}}} */
}
/*{{{ user interaction*/
get_size((int*)0,(int*)0,&my_width,&my_height);
display(image_xoffset,image_yoffset,my_width,my_height,image_width,image_height);
m_flush();
while ((c=getc(m_termin))!='q') switch (c)
{
/*{{{ m -- left button displays menu*/
case 'm':
{
m_selectmenu(1);
m_flush();
break;
}
/*}}} */
/*{{{ [%d %d] -- right button*/
case '[':
{
fscanf(m_termin,"%d %d]",&mouse_x,&mouse_y);
/*{{{ compute new x start*/
if (my_width>image_width) image_xoffset=0;
else if (mouse_x<=0) image_xoffset=0;
else if (mouse_x>=my_width) image_xoffset=my_width-image_width;
else
{
/*{{{ move x start by difference from mouse and middle*/
image_xoffset=image_xoffset-(mouse_x-my_width/2);
/*}}} */
/*{{{ check and corrent range of x start*/
if (image_xoffset<my_width-image_width) image_xoffset=my_width-image_width;
else if (image_xoffset>0) image_xoffset=0;
/*}}} */
}
/*}}} */
/*{{{ compute new y start*/
if (my_height>image_height) image_yoffset=0;
else if (mouse_y<=0) image_yoffset=0;
else if (mouse_y>=my_height) image_yoffset=my_height-image_height;
else
{
/*{{{ move y start by difference from mouse and middle*/
image_yoffset=image_yoffset-(mouse_y-my_height/2);
/*}}} */
/*{{{ check and corrent range of y start*/
if (image_yoffset<my_height-image_height) image_yoffset=my_height-image_height;
else if (image_yoffset>0) image_yoffset=0;
/*}}} */
}
/*}}} */
display(image_xoffset,image_yoffset,my_width,my_height,image_width,image_height);
m_flush();
break;
}
/*}}} */
/*{{{ R -- redraw*/
case 'R':
{
get_size((int*)0,(int*)0,&my_width,&my_height);
/*{{{ compute new x offset*/
if (my_width<image_width)
{
if (image_xoffset<my_width-image_width) image_xoffset=my_width-image_width;
}
else image_xoffset=0;
/*}}} */
/*{{{ compute new y offset*/
if (my_height<image_height)
{
if (image_yoffset<my_height-image_height) image_yoffset=my_height-image_height;
}
else image_yoffset=0;
/*}}} */
m_func(BIT_CLR);
m_bitwrite(0,0,my_width,my_height);
m_func(BIT_SRC);
m_bitcopyto(image_xoffset,image_yoffset,image_width,image_height,0,0,WINDOW_BITMAP,IMAGE_BITMAP);
m_flush();
break;
}
/*}}} */
}
/*}}} */
/*{{{ exit*/
m_bitdestroy(IMAGE_BITMAP);
get_colrow(&x,&y);
m_move(0,y-1);
clean(0);
/* NOTREACHED */
return 255;
/*}}} */
}
/*{{{ main*/
int main(int argc, char *argv[])
{
/*{{{ variables*/
enum { NOTHING, OTHER_FS, SAME_FS } in=NOTHING;
int c;
int mouse_x,mouse_y;
int image_width,image_height;
int image_xoffset=0,image_yoffset=0;
int my_width,my_height;
int image_depth,image_size;
int err=0,usage=0;
FILE *input=(FILE*)0;
static struct menu_entry menu[] =
{
{ "Normal","|n\n" },
{ "Reverse","|r\n" },
{ "-------", "" },
{ "Quit","|q\n" }
};
char file[_POSIX_PATH_MAX];
char event[20];
/*}}} */
/*{{{ parse arguments*/
while ((c=getopt(argc,argv,"ro:s:"))!=EOF)
{
switch (c)
{
/*{{{ r*/
case 'r': display_op=BIT_NOT(BIT_SRC); break;
/*}}} */
/*{{{ o file*/
case 'o':
{
if ((input=fopen(optarg,"r"))==(FILE*)0)
{
fprintf(stderr,"%s: Can't open %s\r\n",argv[0],optarg);
err=1;
}
else in=OTHER_FS;
break;
}
/*}}} */
/*{{{ s file*/
case 's':
{
char *cwd;
in=SAME_FS;
if (*optarg!='/' && *optarg!='.')
{
if ((cwd=getcwd((char*)0,(size_t)0))!=(char*)0) { strcpy(file,cwd); strcat(file,"/"); strcat(file,optarg); }
else { fprintf(stderr,"%s: Can't get current directory\r\n",argv[0]); err=1; }
}
else strcpy(file,optarg);
break;
}
/*}}} */
/*{{{ default*/
default:
{
usage=1;
break;
}
/*}}} */
}
}
if (err) exit(err);
if (usage || optind!=argc)
{
fprintf(stderr,"Usage: mgrview [-o file | -s file]\n");
exit(1);
}
if (in==NOTHING) { in=OTHER_FS; input=stdin; }
/*}}} */
/*{{{ setup*/
ckmgrterm(argv[0]);
m_setup(M_MODEOK);
signal(SIGINT,clean);
signal(SIGTERM,clean);
signal(SIGPIPE,clean);
m_ttyset();
m_push(P_ALL);
m_setmode(M_ABS);
m_setcursor(CS_INVIS);
menu_load(1,4,menu);
m_setevent(REDRAW, "|R\n");
m_setevent(RESHAPE, "|R\n");
m_setevent(BUTTON_1,"|!%p!\n");
m_setevent(BUTTON_2,"|m\n");
m_flush();
/*}}} */
if (in==OTHER_FS)
{
/*{{{ variables*/
struct b_header bh;
void *bp;
/*}}} */
/*{{{ load bitmap to client space*/
if (fread(&bh,sizeof(struct b_header),1,input)!=1)
{
fprintf(stderr,"%s: Can't read header of bitmap.\r\n",argv[0]);
clean(1);
}
if (!B_ISHDR8(&bh))
{
fprintf(stderr,"%s: No MGR bitmap or old format.\r\n",argv[0]);
clean(1);
}
B_GETHDR8(&bh,image_width,image_height,image_depth);
image_size=B_SIZE8(image_width,image_height,image_depth);
/*}}} */
/*{{{ transfer bitmap to server space*/
m_func(BIT_SRC);
m_bitcreate(IMAGE_BITMAP,image_width,image_height);
m_bitldto(image_width,image_height,0,0,IMAGE_BITMAP,image_size);
bp=malloc(image_size);
fread(bp,image_size,1,input);
fwrite(bp,image_size,1,m_termout);
free(bp);
/*}}} */
}
else if (in==SAME_FS)
/*{{{ transfer bitmap from server fs to server space*/
{
m_bitfromfile(IMAGE_BITMAP,file);
m_get();
if (sscanf(m_linebuf,"%d %d",&image_width,&image_height)<2)
{
fprintf(stderr,"%s: MGR server can't load MGR bitmap.\r\n",argv[0]);
clean(1);
}
}
/*}}} */
/*{{{ user interaction*/
m_getwindowsize(&my_width,&my_height);
display(image_xoffset,image_yoffset,my_width,my_height,image_width,image_height);
m_flush();
do
{
if (m_getevent(10000,&c,event,sizeof(event))==EV_EVENTSTR) switch (event[0])
{
/*{{{ n,r*/
case 'n':
case 'r':
{
display_op=(c=='n' ? BIT_SRC : BIT_NOT(BIT_SRC));
m_func(display_op);
m_bitcopyto(image_xoffset,image_yoffset,image_width,image_height,0,0,WINDOW_BITMAP,IMAGE_BITMAP);
m_flush();
break;
}
/*}}} */
/*{{{ m -- left button displays menu*/
case 'm':
{
m_selectmenu(1);
m_flush();
break;
}
/*}}} */
/*{{{ !%d %d! -- right button*/
case '!':
{
sscanf(event,"!%d %d!",&mouse_x,&mouse_y);
/*{{{ compute new x start*/
if (my_width>image_width) image_xoffset=0;
else if (mouse_x<=0) image_xoffset=0;
else if (mouse_x>=my_width) image_xoffset=my_width-image_width;
else
{
/*{{{ move x start by difference from mouse and middle*/
image_xoffset=image_xoffset-(mouse_x-my_width/2);
/*}}} */
/*{{{ check and corrent range of x start*/
if (image_xoffset<my_width-image_width) image_xoffset=my_width-image_width;
else if (image_xoffset>0) image_xoffset=0;
/*}}} */
}
/*}}} */
/*{{{ compute new y start*/
if (my_height>image_height) image_yoffset=0;
else if (mouse_y<=0) image_yoffset=0;
else if (mouse_y>=my_height) image_yoffset=my_height-image_height;
else
{
/*{{{ move y start by difference from mouse and middle*/
image_yoffset=image_yoffset-(mouse_y-my_height/2);
/*}}} */
/*{{{ check and corrent range of y start*/
if (image_yoffset<my_height-image_height) image_yoffset=my_height-image_height;
else if (image_yoffset>0) image_yoffset=0;
/*}}} */
}
/*}}} */
display(image_xoffset,image_yoffset,my_width,my_height,image_width,image_height);
m_flush();
break;
}
/*}}} */
/*{{{ R -- redraw*/
case 'R':
{
m_getwindowsize(&my_width,&my_height);
/*{{{ compute new x offset*/
if (my_width<image_width)
{
if (image_xoffset<my_width-image_width) image_xoffset=my_width-image_width;
}
else image_xoffset=0;
/*}}} */
/*{{{ compute new y offset*/
if (my_height<image_height)
{
if (image_yoffset<my_height-image_height) image_yoffset=my_height-image_height;
}
else image_yoffset=0;
/*}}} */
m_func(BIT_CLR);
m_bitwrite(0,0,my_width,my_height);
m_func(display_op);
m_bitcopyto(image_xoffset,image_yoffset,image_width,image_height,0,0,WINDOW_BITMAP,IMAGE_BITMAP);
m_flush();
break;
}
/*}}} */
}
} while (event[0]!='q');
/*}}} */
/*{{{ exit*/
m_bitdestroy(IMAGE_BITMAP);
clean(0);
/*}}} */
return 255;
}
